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W. O. HOWARD, D e0d.'

W. HOWARD, Administrator. MAIL MARKINGMAGHINE. A -N0. 506,506. Patented Oct. 10,1893,

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' W.O.-HOWARD,.De0d.

W. HOWARD, Administrator.

MAIL MARKING MACHINE. 9 No. 506,506. K I PatentedO'ot. 1Q, 1893.

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MAIL MARKING MACHINE.

No 506,506. Patentedoot. 10,1893.

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' W. O. HOWARD, Decd.

W. HOWARD, Administrator. v MAIL MARKING MACHINE.

No. 506,506. Patented Oct. 10,1893.

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W. HOWARD, Administrator.

MAIL MARKING MAGHINE.

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- No. 506,506. Patented Oct. 10,1893.

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W. G. HOWARD, Decd W. HOWARD, Administrator. MAIL MARKING MACHINE.

Patented Oct. 10, 1893.

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bio ethane/l p UNITED STATES PATENT OFFICE.-

WILLIAM HOWARD, OF WASHINGTON, DISTRICT OF COLUMBIA, ADMIN- 1 ISTRATOR OF WILLIAM CECIL HOWARD, DECEASED, ASSIGNQR TO THOMAS S. (JONS'IANTINE, OF NEW YORK. N. Y. I

MAIL-MARKING MACHINE.

SPECIFICATION forming part of Letters Patent No.--'506,506, dated Qctober 10, 1893. Application filed December 15, 1892. Serial No. 455.261. (No model.)

I ARD, deceased, and late a. citizen of the United States, who resided at \Vashington, in the District of Columbia, and who invented certain new and useful Improvements in Mail-Mark-.

ing Machines, do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which itappertains to make and use 1 the same, reference being had to the accompanying drawings, and to the figures reference marked thereon, which form a part of thisspecification.

The invention has reference to m' lines for canceling stamps and post-marking mail matter, and has for its object to providesuch a machine in which are combined simplicity, of construction and effectiveness in operation, and which will overcome the many disadvantages due to the use of existing machines,

and increase the capacity.

The invention consists of a machine of this character which is adapted for ahigh rate of speed, and in which are employed two horizontally arranged rollers adapted to continuously and simultaneously revolve, one of said rollers having thereon the impression stamp for imparting the necessary cancellation and post contact; an automatic feeding device for supplying the letters or other mail matter to the machine; mechanism for separating the letters individually from the stack; a screw con veyer'adapted to receive the letters from the separating mechanism and convey them in their-separated condition; an endless belt adjacent to the end of the conveyor which operates to move the letters forward into position to receive thejmpression; and a table arranged to receive the impressed letters and to automatically re-stack them.

The invention also consists in the construc' tion, relative arrangement and operation of the several parts constituting the improved post-marking and stamp-canceling machine,

all of which will hereinafter fully and clearly appear from a reading of the following description taken in connection with the accompanying drawings which form a part thereof, and in which- Figure 1 illustrates the machine in plan view;

Fig. 2 a front elevation thereof; Fig. 3 a plan view of the impression stamp; Fig. 4. a side elevation of said stamp; Fig. 5 a rear elevation of thestamp, and showing the mechanism for temporarily holding the letters in position before receiving the impression; Fig. 6 a top view of such. letter holding device in detail; Fig. 7 a plan view of the com-' pression plate, and showing the mechanism for restraining and releasing said plate; Fig. 8 a vertical section taken in line rs-x Fig. 7; Fig. 9 a detail view of the inking device, the ink roller being shown in dotted lines; Fig. 10 afront elevation Ofl the letter separating mechanism and showing the screw conveyor in relation thereto; Fig. 11, a vertical longitudinal section of said separating mechanism, and showing the automatic letter feeding de vice, and the screw conveyer in relation thereto; Fig. 12 a detail showing the mechanism for restraining and bringing into action the separator; and Fig. 13 alongitndinal central section of the endless belt and showing the screwconveyer in relation thereto.

The same numerals of reference denote the the same parts in the several figures of the drawings.

The reference numeral 1 denotes the bed of the machine which may be mountedon any suitable'table or frame and which supports the several mechanisms presently to be de scribed. At one end of the bed is the driv ing shaft 2 which is mounted in bearingsarganged. on arms 3 bolted to the sides of theed. Fixedlysecured to the shaft is a driving pulley 4 which is connected with any suitable power by a belt 5; and 6 is a sheave-on said shaft which imparts motion to the compression roller through a quarter-turn belt 7 which is passed around said sheave and a horizontal sheave 8 connected to said roller and mounted on a vertical spindle 9. The compression roller consists of a disk 10 which supports the compression plate and the mechanism for restraining and releasingsaid plate, the construction and operation of which will presently appear.

11 is a gear wheel which is arranged concertrically with and below the disk and is fixedly securedthereto and to the sheave 8, and adapted to move therewith and engage the teeth of a similar gear wheel12 mounted on a spindle l3 verticallysnpported on a bracket 14 bolted to the top of thebed. The gear wheel l21supports the impression stamp, the latter consisting of a'die 1-5 the outer surface being curved-to conform to the periphery of said gear wheel, and provided with the necessary lines and type for theimpression of the letters or other mail matter. This die has a spindlelii whichis mounted in two standards 17 'securedon theupper portion of the gear wheel and the die is normally extended by the action of a coil-spring 18 which surrounds the spindle and is interposed between. the inner standard and a collar 19 adjustably secured to the spindle by a set screw 20.

Adjacent to the under side of the die is a rib 21, the outer surface of which conforms to the surface of the die but extends normally a slight distance beyond for a purpose to be explained This rib has a spindle 22 mounted in the standards 17, and 23 is a spring which surrounds the spindle and is interposed between the inner standard and a collar-=24 as shown. w

25 isa stud on the inner side of the die which unoves ina guidestandard 26 on the gear wheel, and hold's'the die in its proper on the disk 10 position. h I

Orr-the upper inner side of the'die is a cam 27 the operation .of which will presently apear. ,z

p The compression plate 28 is mounted on the disk 10 and is curved on its outer surface in order to form an even contactwith the dieduring'the stamping operation-.. The spindle 29"6f'this plate is: mounted in standards 30 r and the outward movement is limited by a collar 31 secured to the spindle as shown. The plate is normally extended by centrifugal action due to the rapid revolution of the compression roller, and when no letter is presented for impression this plate is moved backward or restrained at each complete revolution by the action of the rib 21,

the spring 23 being of sufficient tension to overcome the centrifugal force exerted on the plate. and the latter is in consequence pretact with the die,.the rib flabeing ceases wvented from contacting with the surface of the die and receiving the impression which would ink the backs of the letter or letters presented thereafter.

Mechanism is provided for automatically bringing said plate into positive contact with the die during the operation of stamping a letter-as fol1ows:-In the rear standard 30 are mounted two vertically arranged pins 32, 33, which are connected at their upper ends to a plate 34. The inner end of the spindle 29 terminates normally adjacent, to the pin 32 and when the latter is raised above the spin die the plate 28 is free to'move to the rear as is the case when no letter is presented;

The pins and plate 34 are raised to their normal positions by the action of a cam 35 .which partially surrounds and is fixedly secured to .the spindle of the compression roller, which cam engages the lower end of pin 33 and raises it against the action of acoil-spring 36' thereon which is compressed between the upper side of an opening in the standard, and a collar 37 as shown. The pins and plate 34 are normally locked in their raised positions by the action of a trip lever 38 which is pivotally connectedto a post 39 on the top of the disk. The inner end of this lever is normally interposed between the plate 34 and top of the standard and holds said plate and the pins raised against the action of the spring 36, the lever being held in this position by the-action of a spring 40 secured at one end too to said lever and at the other end to a post 41- on the disk. The outer end of this lever is moved at each complete revolution of the roller into the path of the letter to be impressed, and is engaged by the letter a little in advanceof the stamping operatiomthe outer end of vthe lever being moved in a direction opposite to the rotation of the disk,

and the inner end of the lever is thereby dis engaged from the plate 34 which latter with the pins are depressed by the action of the spring 36 and the pin 32 movirg downward isengaged by the inner end of the spindle of the compression plate, .th ereby locking the latter and presenting itz in unyielding conthereby depressed, t

The mechanism for temporarily retaining the letters in position-to. be taken by the die consists of a fixed,- finger42 horizontally supported on a post-4-3 secured to the bed of the machine; and a yielding finger 44 which is pivoted at 45 to a bracket 46 as shown, and normally held in contact with the finger 42 .by the,action .of a leaf spring 47, andby locking mechanism which is unlocked at each 5 the finger 42 during a partial revolution of 'r to the die, and these fingers operate to hold a.

letter in position to be seizedand carriedforward between the die and compression plate. The yielding finger is unlocked in advance of the stamping operation, by the action of cam 27 on the die, which engages the lower end of-the pin 48 and raises it sufficiently to clear the stud'from the said finger and permit the latter to be moved outward sufficiently to accommodate the passage of the bracket. .A set screw 58 limits the inward movement of the roller and the latter is continuously rotated by the contact with the rapidly moving die.

At one side and above the bed is a table 59 supported on suitable brackets, and on which the letters to be impressed are stacked by the operator. At the inner end of this table is the separating mechanism which is mounted on a frame consisting of uprights 60, bolted to the sides of the table, arms 61 secured to said uprights and cross bars 62 and 63 connecting said arms, In the upper ends of the uprights is journaled a shaft 64 having on its inner end a bevel-gear wheel.

5 which meshes with a bevel gear wheel 66 on an inclined shaft 67 journaled in brackets,

68 on one of the uprights and which is rotated through gear 66* thereon and. a gear 66**. on the spindle of the auxiliary-screw conveyer presently to be described.

On the shaft 64 ismounted an eccentric I 69 through which a vertically reciprocating movement is imparted to the separator which engages the letters singly and carries them in its downward movement as will be presently explained. I

Extending downward lrom the cross bar 62 are face plates 70 forming a wall for the letters and other mail matter which are placed edgewise on the table and interposed between said wall and a follower 71 which is. moved automatically to feed the letters forward to the separator. "This follower is connected to a plunger 'rod 72 'which'is mounted in brackets 73 secured to the table and moved forward by the action of a weight 74 secured to a cord 7.5 which passes over a sheave 76 journaled in one ofthe brackets and is connected to the plunger-{rod as shown. Thisrfollower is moved backward by hand in order to replenish-the stack and is moved forward automatically to feed the'letters under pressure .finger 77 having on its-inner side a series of projecting points 78 inclined slightly downward which operate to engage the surface of the adjacent letter and separate it by a downward movement from the stack: it being evident that the friction produced between the letter and the series of points will greatly exceed the frictionbet-ween the. letters, and the letters and other mail matter are thereby at each downward movement of the separator conveyed away separately. The finger 77 is pivotally secured to a shaft 79 by'tour arms 80,

and has a yielding movement through the action of acoil-spring 81 which surrounds a pin 82 secured to a bridge piece 83 connecting the inner arms 80, and is compressed between said bridge piece and a downwardly projecting arm 84 rigidly secured at its upper end to the shaft 79 by a pin 85. 'lhepin 82 is passed loosely through the arm 84, which permits such yielding movement. This shaft is secured at each end in blocks 86'whichm'ove on vertical guide rods 87 secured at their upper end to-the cross bar 62. To the shaft are connected two arms 88 the upper ends of which are passed through a head 89 andare secured thereto by bolts 90; and this head is connected to the eccentric 69 by a rod 91. Thearms 88 are passed through slots 62* in the cross bar 62 and these slots aresufliciently large to accommodate for the lateral movement of the said arms as will be understood. The rotation of the eccentric imparts a vertically reciprocating movement to the separating finger which as before stated operates to separate the letters on the downward movement thereof.

Mechanism is'provided for restraining said finger on its upward movement, as follows:-

' On the inner end of the said finger is secured a wedge-shaped cam 92; and pivotally secured at 93 to the inner arm 61is an arm 94 on which is a thin strip 95 arranged in the path of'said cam. The cam is slightly inclined as shown in order that the point theree of shall normally extend beyond the-outer face of the strip. On the downward movement of the finger the cam passes freely in side of the strip, and contact with the letters -is permitted; when however, thefinger commences its upward movement the-cam engages the outer' face of the strip and is forced outward thereby, .the finger being movedtherewith against the action of the spring 81 g is completed when the cam disengages from the strip and allows the finger to spring back in its normal position to separate the next letter. By the foregoing all contact with the letters by the separating finger on its upward movement is obviated, as it is evident that a letter should pass downward freeof the'finger during the upward movement of the lat- .ter. The arm 94 has a yielding contact with the letters which is permitted by the action of a coil-spring 9-l* which is secured at one end to the upper portion of said armand atand restrained until the upward movement The letter as it is disengaged from the finger is caught between two rollers 06, 97 which are covered with rubber or other suitable material to produce the necessary friction. The roller 06 is mounted on a shaft 98 journaled inbearings in the innerend of the machine and is rotated by belt connection with the driving shaft. The roller 97 is supported in. the'lower ends of two arms 97* which are pivotally connected at their other ends to the cross bar 63; and is rotated byfrictional contact with the roller 96 against which it isheidby the action of springs 99 secured at ens end to the arms, and having the other coiled aroundand secured to the said cross bar by'pins 100.

A. device is provided. for preventing two or more letters from being carried down simultaneouslyby the separating finger; said device consisting of. a roller 10l'covered with rnbber or its equivalent-which is mounted on a 102 journaled in the inner end of the w ich meshes witha bevel gear 110 mounted table above the roller 96, and is rotated in a directionopposite to the downward-movement of the separating finger, through a gear 103 secured. to the outer end of the-shaft which meshes with a gear 104: on the shaft ML The surface of this roller is formed with transverse grooves 105' which register with and receive the points on the finger in order to make a-close contact between the surface of the roller and the backs of the letters as they are carried downward. The foremost letters-rest directly on this rollerand in the event of two or more letters moving downward together, the revolution of the roller in the opposite direction separates the letters adjacent to the one engaged by the finger, and carries them back to their normal positions. The letters as they are disengaged from the rollers96 and 97 fall separately between the threads of a screw conveyor 106 which is arranged horizontally and lengthwise of the machine. conveyer are sufiicient in depth to support a letter in a vertical position, and suificiently far apart 'to accommodate a thick letter. The shaft 107 ofthis conveyer is mounted in standards 108 secured to the bed and on the v outer end of this shaft is a bevelgear 109' on a vertical spindle 111 supported in an'arm 112 on the bed. Below the gear .is another gear 113 which; meshes with a gear 114; on the end of a horizontal shaft 115 and onthe other end of this shaft is a gear 116 which meshes with a gear 117 on the spindle oi the impression roller.

118 which is mounted at itsiuner end in brackets 119 secured to the bed. Motion is imparted to this conveyer 118 by the conveyer.106 through a gear 120 on the shaft a gear 121 on the conveyor 118, and

.107, and

intermediate gearing 122; Adjacent to the.

conveyor 106 is a table 123 which is on a line The threads: of this.

Above and to the. side. of the conveyor is an auxiliary screw conveyor scarce coincident with the top of the hubof this conveyer. The letters as they are freed from the rollers fall separately between the threads and rest edgewise on said hub and on the tion of the screw. Adjacent to' the conveyer is a roller 124 which is covered with rubber or equivalent material, the peripheiyof which is slightly above the surface of said table. This roller is rotated by a belt 125 whichis passed around-a sheave 126 on the shaft of the roller and around a sheave 127 on the shaft 107. This roller rotates in a direction toward the conveyor and operates to engage the lower edges of the lettersand move them against the auxiliary conveyerin order that they shall be in the proper position when they leave the conveyers. The thread ofthe auxiliary conveyer is enlarged at its outer end and terminates slightly beyond the end of the conveyer 106 in order that the letters may be properly aligned as. Willpresently be explained.

128 represents a guide the inner ends of the letters in their respective threads on the auxiliary conveyor. The letters as theyleave the conveyor are on brackets 133, 134 bolted to the bed. belt is-operated by a sheave 135 secured to shaft 107, through a belt 136 which is passed around said sheave and a sheave 137 on thepulley 13k. Thebelt. operates to carry-the letters from, the conveyor to the fingers 42 and 44:, where the letters are held previous to the stamping operation and are. engaged and released therefrom by the die and. complained. Above the belt is an auxiliary belt -138'which rotates inthe same direction ahd servesvas aniov-ingwall for the lettersas is passed around two horizontal sheaves 139 and 140 theformer being mounted on a vertical spindle 1&1, mounted on -an arin 142 boltedtothe bed. v I

142* is a-sheave secured to the'sleeve 143 "of the sheave 139, and. 144 is a belt'which is passed aroundthe sheave142 and/2t sheave thread of the main conveyer. The letters during the stamping operation receive an impetus from the rapid revolution of the die and comtable along; which they are moved by the ac-f finger secured to theguide 129 ofthe stacking. table, which operates to pression rplate as has-been previouslyex on the compression roller spindle, and through which the belt stemmed; ZThe sheave 1 10, is mounted'on a spihdle' 1415 secured to the tr n-ey is ne us tofthe portion held between theedge oftlidbafdandth'efend of the deposited. separately-on an endless belt 130 which is arranged transversely to thebed, and

. is-passed around two pulleys13l, 132 mounted This they are carried forward to the die. Thisnbelt ii i prevents any liability of their being depdsitjedspindle 152 of the re-staking roller 153 presby the rollers onto the re-stacking table 159 which is supported at the other side of the stacked and-with guides 162 and 163 which regulates the frictional contact of. the follower and wall. The guide 162 is provided with anl on the stacking table59 is moved backward 'is *engagedby the points on said finger and .60 Y iliary conveyer operate to feed the lett'e'rffo'raction of this belt and the-auxiliary belt 138 s operate to move ,the letter and bring it be' .pr'ession plate which carries them between two 149 which is passed around a sheave 150 on horizontally arranged rollers 146,147, the former being mounted on a "ertical spindle 148 supported on the-bed and rotated by a belt said spindle and around a sheave 151 on the ent-ly to be described.- The other roller 147 is mounted on a spind1e15i secured toan arm. 155 which latter is pivoted toa post'lfili sup. ported on the bed. This roller hasa yielding contact with the roller 146 by the. action of a coil spring 157 which is secured at one end to the arm 155 and at itsother end to a pin 158 on the re-stacking table. The letters are moved forward rapidly by the impetus given machine by brackets 160 and is provided with the wall 161 against which the letters are re-- direct the passage of the letters. The restaoking roller-153 is faced with rubber or equivalent. material and is mounted on the spindle 152 which is set in an arm 164 bolted tothe bed. This roller is rotated throingh a sheave 165 which'has' connection by means of a belt 1.66'with a sheave 167 on the spindle of the impression roller. Below this roller isa disk 168 which is rotated therewith-and engageswith the lower end of the letter to keep ,it in a vertical position. .169 is a follower between which and the roller 153 the letters are res-stacked.- This follower has a lateral movement which is im- I parted to it; by the letters as they are movedin position between it'andthe' roller, and 170 is a set screw which is passed througha slot in the wall and secured to'said follower, and 1 which by reason of the spring :17linterposed between it and the outer surface of the wall,

incline l72 which. directs-theletters'to the roller and the revolution of the latteficting in conjunction with the follower, operates to re-staok the letters, v v I .ThB operation is as followsz- 'lhe follows! by hand and the letters are placed edgewise and inserted between said follower'andthe face plates on the separating mechanism. The follower operates to feed, the letters forward under pressure, and at: each downward movement of the separating finger, one letter' carried downward to a point where'its lower edge is engaged by the ;rollers 96 and 97.

These rollers deposit'the letter between the threads of, theco'nveyer which with the auxward'to'the' endless belt, and. the combined tween the fingers 42 and 44 where it is -tem'porarily held. The revolution of the die and die and plate is engaged by the rollers 146 compression plate causes the outerend of the lever 38 which as before stated moves in the path of the-letters, to engage the letterand release the pin 32 which is depressed and op- 7 crates to lor-k'thecompressioi plateand present it in unyielding contact with the die. The rotation of the die 0 crates through the action of the cam 27 to unlock the yielding finger- 44- and release the letter which is then 7 engaged between the die and compression plate and impressed with the post and cancellation marks. The letter as it leaves the and 147 and suflicient impetus is given there- 3 by to carry it between the guides 162 and.

- 163 on to the re-stacking'table and in contact with the roller 153. The revolution of this. roller operates to move the letter between it and the follower 169 the latter being moved 8 backward by the letters as theyare re-st'acked.

'In the event of two or more lettersbeing separated simultaneously and deposited in the conveyer the operator can as they are being conveyed, easily withdraw. them, as it is un- 9 derstood the .letters must travelthe length of the conveyer before reaching the belt and are plainly in sight. I A machine is shown and described which is adapted to be operated by electricity or 9 other equivalent power; butit will be evident that the machine could be constructed to opcrate by the power of the foot or hand. It will be-observed' fromja reading of the few and simple in construction; and that'most' of them are continuously operated in their directions which is .an essential feature In machines of this character where a high rate of speed is desired.

- The machine is very efiective, and the liafrom-said conveyer intoposition to be i mprss'dfa revolving die andcompression r plate'for impressing the letters, mechanism for restraining andreleasing said compression plate, and mechanism for receivingand automatically re-stacking the impressed leta ters,,the several mechanisms being combined I and operating substantially as set forth.

2. In a p'ostmarking' and stamp-cancelingmachine, the combination of mechamsmfor separating the letters, and feeding them to a screw conveyer below suchseparating mech-. r janism, the screw conveyer, an ,endless beltadjacenflto theen'd'of such conveyer for moving the letters into position ito be impressed, a revolving die for impressing the letters, a

foregoing that the parts are comparatively "we which the letters are revolving compression plate normally restrained, mechanism operated by the letter to be impressed. for bringing said plate into act n, nd lechanism for automatically re" stacking 'the impressed letters, all combined and operating substantially as set forth.

3 "In a.po stmarking and stamp-canceling mfachinc, mechanism for separating the lettors consisting of a shaft, and means for ver-' tically reciprocating the same, a finger having points thereon for engaging the surface of a letter, secured to arms loosely mounted forth.

5. In a postmarking and stamp-canceling machine, the combination with mechanism for separating the letters, a screw conveyer for conveying the letters in a separated condition therefrom, an endless revoluble belt on deposited by the conveyer, and an auigiliary revoluble belt above the same for the purpose set forth.

6. In postman-king and stamp-canceling machines, and in combination with a normally yielding revoluble compression plate, of a revoluble die having thereon a spring actuated rib for; restraining said plate-and mechanism for bringing said plate into-action adapted to be operated by the letter to be, impressed. v

7. In postmarking and stamp-canceling machines, the combination of mechanism for feeding the letters in a separated condition, an endless revoluble belt, fingers arranged in the path of the belt for checking the movement of a letter,one of which is fixed and the other having yielding contact therewith, a pin' normally depressedand having a stud thereon which normally locks the yielding finger, a revoluble die, a revoluble compression plate, acam on the die operating-to raise the pin and unlock the finger, and release the letter for the purpose set forth.

8. In a postmarking and stamp-canceling machine, the combination of mechanism for temporarily holding a letter, a revoluble die, a revolnble compression plate normally re strained and mechanism for bringing said plate into action consisting of a lever normally in the path of the letter to beimpressed, a pin adapted to the depressed when released by saidlever to lock the plate.

9. In a postmarking and stamp-canceling machine, the combination of mechanism for temporarily holding a letter, a revoluble die,

a revoluble compression plate havin'ga spindle normally unlocked, a pin normallyraised above said spindle, a lever normally locking said pin in its raised position, and adapted to'be actuated by the letter to be impressed to release said pin and permit it to drop and engage the spindle to lock the same, a second pin, a plate connecting the pins and a cam in the path of said second pin to raise'the pins to their normal raised positions.-

lO. In a postmarking and stamp-canceling machine, the combination of a revoluble die and compression plate, two rollers arranged in the path of the letters, a table adjacent to said rollers, guides on the table, a follower thereon and a roller operating in connet ion with said follower'to stack the letters in the manner set forth.

WM. HOWARD, Administrator of the estate of William Oecvl -H0ward, deceased. Witnesses W. 0: (Insert,

WILL T. NoR'roN. 

